361r^2-196=

Solution for 361r^2-196= equation:

Simplifying
361r2 + -196 = 0

Reorder the terms:
-196 + 361r2 = 0

Solving
-196 + 361r2 = 0

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '196' to each side of the equation.
-196 + 196 + 361r2 = 0 + 196

Combine like terms: -196 + 196 = 0
0 + 361r2 = 0 + 196
361r2 = 0 + 196

Combine like terms: 0 + 196 = 196
361r2 = 196

Divide each side by '361'.
r2 = 0.5429362881

Simplifying
r2 = 0.5429362881

Take the square root of each side:
r = {-0.736842105, 0.736842105}